ROTATION AROUND ITS OWN AXIS
Unique specimen with 5 heteromorph ammonites of the genus Ainoceras. These first turn upwards like a corkscrew, then suddenly make a large arc around the previous shell at a 90 degree angle.
Unique specimen with 5 heteromorph ammonites of the genus Ainoceras. These first turn upwards like a corkscrew, then suddenly make a large arc around the previous shell at a 90 degree angle.
